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No public daily gauge for the Wazirabad pond. Levels surface only in crisis reporting and Supreme Court filings.
No public daily flow for the 102-km Munak carrier - the single largest input to Delhi's supply. Carriage figures appear only when a shortfall reaches court (June 2024).
No public daily release on the Upper Ganga Canal leg; the channel also closes for UP's annual canal maintenance with no Delhi-visible schedule.
THDC publishes Tehri's 300-cusec allocation to Delhi but no daily release against it; the CWC weekly bulletin that carried Tehri storage stopped in May 2025.
No public tube-well register exists - the CAG's audit records its absence as a finding.
CGWB block exploitation, ward risk composite, CGWB Year Book station overlay.
mapped water bodies.
Methodology, data sources, water sources tracked, and the data gaps we're honest about.
Methodology: Reservoir levels for Delhi from DJB. Daily consumption assumptions (~4365 MLD demand) are starting points; the sliders above let you substitute your own. See theAbout pagefor the full data-source index and methodology.